BR0303007A - Multidifusão comandada por janela de tempo para multidifusão de entrega futura - Google Patents

Multidifusão comandada por janela de tempo para multidifusão de entrega futura

Info

Publication number
BR0303007A
BR0303007A BR0303007-5A BR0303007A BR0303007A BR 0303007 A BR0303007 A BR 0303007A BR 0303007 A BR0303007 A BR 0303007A BR 0303007 A BR0303007 A BR 0303007A
Authority
BR
Brazil
Prior art keywords
information
client
event
time
release
Prior art date
Application number
BR0303007-5A
Other languages
English (en)
Portuguese (pt)
Inventor
Venkata N Padmanabhan
Luis Felipe Cabrera
Original Assignee
Microsoft Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of BR0303007A publication Critical patent/BR0303007A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/64—Addressing
    • H04N21/6405—Multicasting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Information Transfer Between Computers (AREA)
  • Computer And Data Communications (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)
BR0303007-5A 2002-03-15 2003-03-12 Multidifusão comandada por janela de tempo para multidifusão de entrega futura BR0303007A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/099,242 US20030188188A1 (en) 2002-03-15 2002-03-15 Time-window-constrained multicast for future delivery multicast

Publications (1)

Publication Number Publication Date
BR0303007A true BR0303007A (pt) 2004-09-08

Family

ID=27765443

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0303007-5A BR0303007A (pt) 2002-03-15 2003-03-12 Multidifusão comandada por janela de tempo para multidifusão de entrega futura

Country Status (13)

Country Link
US (1) US20030188188A1 (fr)
EP (1) EP1345352B1 (fr)
JP (1) JP2003330897A (fr)
KR (1) KR20030074484A (fr)
CN (1) CN1282102C (fr)
AT (1) ATE352142T1 (fr)
AU (1) AU2003200971A1 (fr)
BR (1) BR0303007A (fr)
CA (1) CA2422153A1 (fr)
DE (1) DE60311163T2 (fr)
HK (1) HK1055864A1 (fr)
MX (1) MXPA03002286A (fr)
RU (1) RU2305863C2 (fr)

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Also Published As

Publication number Publication date
DE60311163D1 (de) 2007-03-08
EP1345352A3 (fr) 2004-10-20
CA2422153A1 (fr) 2003-09-15
CN1448858A (zh) 2003-10-15
KR20030074484A (ko) 2003-09-19
DE60311163T2 (de) 2007-11-08
MXPA03002286A (es) 2004-10-29
HK1055864A1 (en) 2004-01-21
EP1345352B1 (fr) 2007-01-17
EP1345352A2 (fr) 2003-09-17
CN1282102C (zh) 2006-10-25
US20030188188A1 (en) 2003-10-02
JP2003330897A (ja) 2003-11-21
ATE352142T1 (de) 2007-02-15
AU2003200971A1 (en) 2003-10-02
RU2305863C2 (ru) 2007-09-10

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A E 8A ANUIDADE(S).

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: NAO APRESENTADA A GUIA DE CUMPRIMENTO DE EXIGENCIA. REFERENTE AS 7A, 8A E 9A ANUIDADES.